CERTIFICATE OF ANALYSIS

Product Name	SODIUM TUNGSTATE DIHYDRATE AR/ACS	CAS Number	10213-10-2
Molecular Formula	Na 2 WO 4 .2H 2 O	Catalogue No.	AL4311
Molecular Weight	329.86	Batch Number
Manufacturing Date	December-2020	Expire Date	November-2025

TYPE OF TEST	STANDARD	OBSERVED
Description Assay Free Alkali (as NaOH) Chloride (Cl) Sulphate (SO4) Total nitrogen (N) Lead (Pb) Iron (Fe) Molybdenum (Mo)	White Crystalline Powder Min. 99% <0.05% <0.003% <0.01% <0.001% <0.001% <0.0005% <0.005%	White Crystalline Powder 99.78% <0.05% 0.002% <0.01% <0.001% 0.0008% 0.0004% <0.005%

Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane